اختبار تأثير رش حامض الساليلك على نباتات مصابة بالعفن الرمادي المتسبب عن الفطر Botrytis cinerea

Abstract

The present study was conducted to study the effect of Salicylicacid on the experimental infection of some plants (eggplant leaves &cucumber) with fungu s Botrytis cinetea ' The fungus was isolatedfrom eggpiant stem infected with Gray mold .we inoculated thefungus as a local spot by scorching small spots of these plants withthe aid of hot nail .These spots were then exposed to the spray of 0'5glL aqueous solution of Salicylic acid before and after the inoculationof fungus.we observed that , Salicylic acid at concentration of 0.5g lL iseffectingthefungalinfection.ThesprayingofSalicylicacidbefore24, 48 hour prevent the development of disease and make a goodprotection of the mentioned plants from infection with this fungus'While, the ability of fungus to grow after 24,48 hours from Salicylicacid treatment was markedly reduce as compared with control 'suchtreatment show slow growth of pathogen infect'